Prepare any three, your own indicators using materials available in nature and make a chart of your observations when they are treated with acids, bases, and water
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Answer:Indicators provided by nature are:
1) phenolphthalein
2) turmeric
3)petals of china rose
Explanation:
phenolphthalein is also considered as a natural indicator...
phenolphthalein reacts with acid--> no change in colour..,does not react with acids
phenolphthalein reacts with bases-->as phenolphthalein is reactive to the bases,,,it changes its colour to pink
phenolphthalein reacts with water--> as water is neutral phenolphthalein will not reacts with water
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